Neutrik eutrik's Speakon series of professional speaker and amplifier connectors are recognized as the industry standard. Patent protected, reliable, cost effective, and extremely durable the Speakon system offers the "quick lock" locking system. Speakon panel receptacles with solder terminations also allow you to use quick disconnect type terminals (0.187" x 0.020") for ease and reliability of assembly. The contacts in this series are touch proof and designed to prevent damage from arcing if disconnected under load. Ensuring fail-safe conditions for both the equipment and the operator. Speakon meets the prevailing safety standards of IEC65, IEC348, CE, CSA and are UL rated (file #E135070). Connector type: Chassis connector/panel receptacle, 2-pole, "D" series style with air-tight seal. Mfg. #NL2MP.